<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Bootstrap demo</title>
    <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
    <link href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script>

  </head>
  <body>
<!-- 顶部 -->
<header>
  <!-- 响应式导航 -->
  <nav class="navbar navbar-expand-lg navbar-light bg-light">
    <a class="navbar-brand" href="#">商品分类</a>
    <button class="navbar-toggle" type="button" data-toggle="collapse" data-target="#Nav1">
      <span class="navbar-toggler-icon"></span>
    </button>

    <!-- 导航折叠 -->
<div class="collapse navbar-collapse" id="Nav1">
  <ul class="navbar-nav">
    <li class="nav-item active"><a class="nav-link" href="#">白酒</a></li>
    <li class="nav-item"><a class="nav-link" href="#">红酒</a></li>
    <li class="nav-item"><a class="nav-link" href="#">葡萄酒</a></li>
  </ul>
</div>
  </nav>
</header>
<!-- 正文 -->
<div class="container mt-3">

  <div class="row">
      <!-- pc -->
    <aside class="col-lg-3 col-12 d-lg-block d-none">
        <div class="list-group">
          <button type="button" class="list-group-item list-group-item-action active">中国</button>
          <button type="button" class="list-group-item list-group-item-action">法国</button>
          <button type="button" class="list-group-item list-group-item-action">美国</button>
          <button type="button" class="list-group-item list-group-item-action">英国</button>
        </div>
    </aside>
    <!-- pe -->
    <aside class="col-lg-3 col-12 d-block d-lg-none mb-2">
      <div class="list-group d-flex flex-row justify-content-between align-items-center">
        <button type="button" class="list-group-item active p-1">中国</button>
        <button type="button" class="list-group-item p-1">法国</button>
        <button type="button" class="list-group-item p-1">美国</button>
        <button type="button" class="list-group-item p-1">英国</button>
      </div>
    </aside>
  </div>
  <!-- 商品信息 -->
  
</div>
<!-- 页脚 -->
<footer>

</footer>
  </body>
  </html>